library(leaflet)

visited_sf %>% 
  mutate(label = paste("marvel at ", ParkCode, " and follow <a href = https://stackoverflow.com/>stack overflow</a>")) %>% 
  leaflet() %>%
  addTiles(group = "OSM") %>%
  addCircleMarkers(popup = ~label)

## Warning: sf layer has inconsistent datum (+proj=longlat +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +no_defs ).
## Need '+proj=longlat +datum=WGS84'

 

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by Andy Krause

andy@andykrause.com